If your dryer tumbles normally but produces no heat, the issue is usually one of three things: 240V power supply, restricted vent airflow, or a heating-system fault (fuse, thermostat, igniter, element). Below are safe checks you can do quickly—and clear signs it’s time to schedule repair.

If your Samsung refrigerator shows 25E or 25C, it often points to a defrost-related problem.

If your Frigidaire refrigerator shows SY EF or 5Y EF, it often points to an evaporator fan or airflow problem.

If your GE refrigerator shows PF, FF, or CI, don’t panic.

If your Bosch dishwasher shows E15, it usually means the dishwasher has triggered leak protection.